Sealing boot



FIG. 1 is a front perspective view of the present invention showing my design for a sealing boot;

FIG. 2 is a back perspective view thereof;

FIG. 3 is a top view thereof, the claimed portion of which is a mirror image to the bottom view, right side view, and the left side view thereof;

FIG. 4 is a front view thereof; and,

FIG. 5 is a back view thereof;

The dash-dot line in the figure drawings is included for the purpose of illustrating environment and forms no part of the claimed design. 

The ornamental design for a sealing boot, as shown and described. 